KOEN
Nantucket (Great Point) Light in the middle, with the lights within 20 km, in their listed colours.
Nantucket (Great Point) Light — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s
- Height
- 71 ft · 22 m
- Nominal range
- 14 nmi = 26 km
- Structure
- On white tower.
- Remarks
- Red from 084° to 106°. Covers Cross Rip and Tuckernuck Shoals.
- Position
- 41.3902°N, 70.0483°W · MA

Lights nearby
- Great Round Shoal Channel Lighted Buoy 15One green flash every 4 seconds · 6.0 km
- Great Round Shoal Channel Lighted Buoy 13One green flash every 2.5 seconds · 7.2 km
- Nantucket Bar Lighted Bell Buoy NBMorse A (·−) in white · 9.4 km
- Polpis Harbor Lighted Buoy 2One red flash every 4 seconds · 9.6 km
- Polpis Harbor Lighted Buoy 4One red flash every 4 seconds · 9.6 km
- Tuckernuck Shoal Lighted Bell Buoy 1One green flash every 4 seconds · 9.7 km
- Nantucket East Breakwater Light 3One green flash every 4 seconds · 9.9 km
- Nantucket Harbor Channel Lighted Buoy 2One red flash every 4 seconds · 9.9 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: U.S. Coast Guard Light List (opens in a new tab) · Checked